gypsum vs lute

gypsum

noun
  • A mineral consisting of hydrated calcium sulphate. When calcinated, it forms plaster of Paris. 

lute

noun
  • Thick sticky clay or cement used to close up a hole or gap, especially to make something air-tight. 

  • A straight-edged piece of wood for striking off superfluous clay from earth. 

  • A packing ring, as of rubber, for fruit jars, etc. 

  • A fretted stringed instrument of European origin, similar to the guitar, having a bowl-shaped body or soundbox; any of a wide variety of chordophones with a pear-shaped body and a neck whose upper surface is in the same plane as the soundboard, with strings along the neck and parallel to the soundboard. 

verb
  • To play on a lute, or as if on a lute. 

  • To fix or fasten something with lute. 

How often have the words gypsum and lute occurred in a corpus of books? (source: Google Ngram Viewer )